Potbelly grill



FIG. 1 is a front perspective view of the potbelly grill;

FIG. 2 is a front plan view of the potbelly grill;

FIG. 3 is a back view of the potbelly grill;

FIG. 4 is a side view of the potbelly grill;

FIG. 5 is a side view of the potbelly grill; and,

FIG. 6 is a top view of the potbelly grill.

The broken line showing is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a potbelly grill, as shown and described. 